The Guild of One Name Studies (GOONS) is celebrating their 40th (Ruby) anniversary with a study of the Ruby family. Most Ruby families come from the Devon/Cornwall area and use the 'y' spelling and another cluster come from the Kent area - usually using the 'ie' ending. The Cornish Raby families may be connected...
My grandmother was a Ruby, so if I come up in anyone's DNA, please contact me asap. But then I have lots of other Devon names too. I have tested with both Ancestry & FTDNA,